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The 2024 Al composites containing W, Ta were fabricated by powder metallurgy for their potential use as shielding material. W, Ta powders and gas-atomized 2024 Al aluminum powders were mixed by a ball mixer. The mixtures were consolidated by cold isostatic pressing (CIP) and then hot-extruded into full-density bars. The extruded bars were heat treated in T6 conditions. The microstructure and its relationship...
LiCoO 2 thin films, which can be used as a cathode material in microbatteries, were deposited using radio frequency (r.f.) magnetron sputtering system from a LiCoO 2 target and in an O 2 + Ar atmosphere. The films were characterized by various methods such as XRD, SEM and AFM. The LiCoO 2 films were annealed in air at 300, 500, 700 and 800 °C respectively. The effect...
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